import PySimpleGUI as sg
import subprocess
from shutil import copyfile
import shutil
import os

def Launcher():
    sg.ChangeLookAndFeel('LightGreen')

    layout =  [[sg.T('PyInstaller EXE Creator', font='Any 15')],
                [sg.T('Source Python File'), sg.In(key='_sourcefile_', size=(45,1)), sg.FileBrowse(file_types=(("Python Files", "*.py"),))],
                [sg.T('Icon File'), sg.In(key='_iconfile_', size=(45,1)), sg.FileBrowse(file_types=(("Icon Files", "*.ico"),))],
                [sg.Frame('Output', font='Any 15',layout= [[sg.Output(size=(65, 15), font='Courier 10')]])],
                [sg.ReadFormButton('Make EXE',bind_return_key=True),
                 sg.SimpleButton('Quit', button_color=('white','firebrick3')),]]

    window = sg.Window('PySimpleGUI EXE Maker',
                       auto_size_text=False,
                       auto_size_buttons=False,
                       default_element_size=(20,1,),
                       text_justification='right')

    window.Layout(layout)

    # ---===--- Loop taking in user input --- #
    while True:
        (button, values) = window.Read()
        if button in ('Quit', None):
            break           # exit button clicked

        source_file = values['_sourcefile_']
        icon_file = values['_iconfile_']

        icon_option = '-i "{}"'.format(icon_file) if icon_file else ''
        source_path, source_filename = os.path.split(source_file)
        workpath_option = '--workpath "{}"'.format(source_path)
        dispath_option = '--distpath "{}"'.format(source_path)
        specpath_option = '--specpath "{}"'.format(source_path)
        folder_to_remove = os.path.join(source_path,source_filename[:-3])
        file_to_remove = os.path.join(source_path, source_filename[:-3]+'.spec')
        command_line = 'pyinstaller -wF "{}" {} {} {} {}'.format(source_file, icon_option, workpath_option, dispath_option, specpath_option)

        if button == 'Make EXE':
            try:
                print(command_line)
                print('Making EXE... this will take a while.. the program has NOT locked up...')
                window.Refresh()
                # print('Running command {}'.format(command_line))
                runCommand(command_line)
                shutil.rmtree(folder_to_remove)
                os.remove(file_to_remove)
                print('**** DONE ****')
            except:
                sg.PopupError('Something went wrong')


def runCommand(cmd, timeout=None):
    """ run shell command

	@param cmd: command to execute
	@param timeout: timeout for command execution

	@return: (return code from command, command output)
	"""
    p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
    output = ''

    out, err = p.communicate()
    p.wait(timeout)

    return (out, err)

if __name__ == '__main__':
    Launcher()

